4020022442 has 16 divisors (see below), whose sum is σ = 6172485792. Its totient is φ = 1962560880.

The previous prime is 4020022441. The next prime is 4020022469. The reversal of 4020022442 is 2442200204.

It is not an unprimeable number, because it can be changed into a prime (4020022441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295817 + ... + 309107.

It is an arithmetic number, because the mean of its divisors is an integer number (385780362).

Almost surely, 2^4020022442 is an apocalyptic number.

4020022442 is a deficient number, since it is larger than the sum of its proper divisors (2152463350).

4020022442 is a wasteful number, since it uses less digits than its factorization.

4020022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4020022442 is about 63403.6469140380. The cubic root of 4020022442 is about 1590.0452819930.

Adding to 4020022442 its reverse (2442200204), we get a palindrome (6462222646).

The spelling of 4020022442 in words is "four billion, twenty million, twenty-two thousand, four hundred forty-two".